Home / 428,496,279.28-591,331,344.46-240,366,276.16

Finding the Fourth Proportional to 428,496,279.28, 591,331,344.46 and 240,366,276.16

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Solution

The fourth proportional to 428,496,279.28, 591,331,344.46 and 240,366,276.16 is: 331,709,095.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,496,279.28 : 591,331,344.46 = 240,366,276.16 : x
  2. Step 2: Convert to fraction form
    428,496,279.28/591,331,344.46 = 240,366,276.16/x
  3. Step 3: Cross multiply
    428,496,279.28x = 591,331,344.46 × 240,366,276.16
  4. Step 4: Simplify right side
    428,496,279.28x = 142,136,113,244,536,448
  5. Step 5: Solve for x
    x = 142,136,113,244,536,448/428,496,279.28
  6. Step 6: Final answer
    x = 331,709,095.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.